Home / 2,200.91-3,036.11-1,781.73

Finding the Fourth Proportional to 2,200.91, 3,036.11 and 1,781.73

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Solution

The fourth proportional to 2,200.91, 3,036.11 and 1,781.73 is: 2,457.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,200.91 : 3,036.11 = 1,781.73 : x
  2. Step 2: Convert to fraction form
    2,200.91/3,036.11 = 1,781.73/x
  3. Step 3: Cross multiply
    2,200.91x = 3,036.11 × 1,781.73
  4. Step 4: Simplify right side
    2,200.91x = 5,409,519.36
  5. Step 5: Solve for x
    x = 5,409,519.36/2,200.91
  6. Step 6: Final answer
    x = 2,457.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.